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1. 发明申请

US20070047792A1 Method for identification of a contrasted blood vessel in digital image data 有权
标题翻译：用于识别数字图像数据中的对比血管的方法
公开(公告)号：US20070047792A1
公开(公告)日：2007-03-01
申请号：US11506884
申请日：2006-08-21
申请人： Michael Scheuering , Michael Suhling
发明人： Michael Scheuering , Michael Suhling
IPC分类号： G06K9/00
CPC分类号： G06T7/11 , G06T2207/30101
摘要： A method is disclosed for identification of a contrasted blood vessel in digital 3D image data. The method includes: a) one image voxel, which is associated with the blood vessel, in the 3D image data is selected as a seed point, b) a current threshold value for the intensity of image voxels is selected as the intensity of the seed point, and the seed point is associated with the threshold value, c) a test criterion for finding new seed points is used to search for new seed points in the image voxels which are adjacent to the seed point, and are associated with specific threshold values as a function of their intensities and the current threshold value, d) step c) is repeated until no further seed points can be found with the current threshold value, e) the seed points which have been found are stored as vessel voxels associated with that blood vessel, and are associated with the current threshold value, f) the current threshold value is reduced, g) steps c) to f) are repeated until a termination criterion is satisfied, h) the blood vessel is identified as the set of all vessel voxels in the image data, in which prior knowledge exists, on the basis of which a corresponding method step specifically linked to the blood vessel to be identified can lead to incorrect identification, and at least one of the method steps a) to h) is modified or extended, taking into account the prior knowledge.
摘要翻译：公开了一种用于识别数字3D图像数据中的对比血管的方法。该方法包括：a）选择3D图像数据中与血管相关联的一个图像体素作为种子点，b）选择图像体素的强度的当前阈值作为种子的强度点，并且种子点与阈值相关联，c）用于找到新种子点的测试标准用于搜索与种子点相邻的图像体素中的新种子点，并且与特定阈值相关联作为它们的强度和当前阈值的函数，d）重复步骤c），直到不能用当前阈值找到另外的种子点，e）已经发现的种子点被存储为与该相关联的血管体素血管，并与当前阈值相关联，f）当前阈值减小，g）重复步骤c）至f），直到满足终止标准为止，h）将血管识别为全部船只v 在其中存在现有知识的图像数据中，基于此，与要识别的血管特异性连接的对应方法步骤可导致不正确的识别，并且方法步骤a）至h）中的至少一个是修改或扩展，考虑到先前的知识。

2. 发明申请

US20080080757A1 Method for vessel enhancement and segmentation in 3-D volume data 失效
标题翻译： 3-D体积数据中容器增强和分割的方法
公开(公告)号：US20080080757A1
公开(公告)日：2008-04-03
申请号：US11905255
申请日：2007-09-28
申请人： Michael Scheuering , Michael Suhling
发明人： Michael Scheuering , Michael Suhling
IPC分类号： A61B5/02
CPC分类号： A61B6/032 , A61B6/4014 , A61B6/4266 , A61B6/466 , A61B6/481 , A61B6/501 , A61B6/504 , G06T7/11 , G06T7/143 , G06T2207/10081 , G06T2207/10088 , G06T2207/30104
摘要： A method is disclosed for the segmented representation of vessel-like structures of an object under examination, on the basis of tomographic data, wherein a three-dimensional tomographic volume data record of the object under examination is generated and a segmentation is carried out which enhances the vessel-like structures in the representation of the tomographic data. According to an embodiment of the invention, for each voxel, the probability with which the voxel is located in a vessel structure is determined from the environmental data of the voxel with the aid of a vessel-specific filter of a spatial dimension which corresponds to the tomographic volume data record, on the basis of Gaussian functions, and these determined probabilities are additionally used as criterion for the presence of a vessel in the segmentation process for the representation of vessel structures. An embodiment of the invention also relates to a tomography system, with a device for scanning an object under examination, preferably a patient, and at least one computer system for editing tomographic image data records containing a memory for storing program code and a processor system for executing the programs, wherein program code is stored which executes the method steps of an embodiment of the method.
摘要翻译：公开了一种基于断层数据的检查对象的血管状结构的分段表示的方法，其中生成被检查对象的三维断层图像体数据记录，并且执行分割，其增强在层析成像数据的表示中的容器状结构。根据本发明的一个实施例，对于每个体素，体素位于血管结构中的概率根据体素的环境数据借助于对应于体素的空间维度的血管特异性滤器来确定基于高斯函数的断层图像体积数据记录，并且这些确定的概率另外用作在用于表示血管结构的分割过程中血管存在的标准。本发明的一个实施例还涉及一种断层摄影系统，其具有用于扫描被检查物体，优选病人的装置，以及用于编辑含有用于存储程序代码的存储器的层析图像数据记录的至少一个计算机系统和用于执行所述程序，其中存储执行所述方法的实施例的方法步骤的程序代码。

3. 发明申请

US20090022261A1 Method for evaluating a tomography data record, and a tomography workstation 有权
标题翻译：用于评估断层摄影数据记录的方法和断层摄影工作站
公开(公告)号：US20090022261A1
公开(公告)日：2009-01-22
申请号：US12155050
申请日：2008-05-29
申请人： Michael Suhling , Matthias Thorn
发明人： Michael Suhling , Matthias Thorn
IPC分类号： H05G1/60
CPC分类号： G06T19/00 , G06F19/321 , G06T2210/41
摘要： A method is described for evaluating a tomography data record. In at least one embodiment, a tomography data record of a hollow organ is generated, the tomography data record is analyzed automatically, and organ sections to be assessed as critical are determined. Further, a corresponding findings list entry is generated in a findings list as a reaction to a determined organ section to be assessed as critical, various organ sections are displayed successively on the basis of the tomography data record, and after its first display, an organ section assessed as critical can be selected for renewed display directly via the findings list. Furthermore, a corresponding tomography workstation is described.
摘要翻译：描述了一种用于评估断层摄影数据记录的方法。在至少一个实施例中，生成中空器官的断层摄影数据记录，自动分析断层摄影数据记录，并且确定待评估为关键的器官区段。此外，在发现列表中生成相应的发现列表条目作为对被确定的器官部分的反应以被评估为关键的，各个器官部分根据断层摄影数据记录依次显示，并且在其第一次显示之后，器官评估为关键的部分可以选择直接通过调查结果列表重新显示。此外，描述了相应的断层摄影工作站。

4. 发明申请

US20070255133A1 Method for vessel segmentation in tomographic volume data, tomography system and storage medium 审中-公开
标题翻译：断层扫描体数据，层析成像系统和存储介质中血管分割的方法
公开(公告)号：US20070255133A1
公开(公告)日：2007-11-01
申请号：US11790708
申请日：2007-04-27
申请人： Michael Suhling
发明人： Michael Suhling
IPC分类号： A61B5/05
CPC分类号： A61B6/504 , A61B6/463 , A61B6/481 , G06T7/11 , G06T2207/10081 , G06T2207/20101 , G06T2207/30048 , G06T2207/30101
摘要： A method is disclosed for mathematically generating a virtual catheter in tomographic volume data in which the virtual catheter is assembled from a multiplicity of catheter segments, each of which being separately describable in a closed mathematical expression and each being approximated to the measured volume data by error calculation and variation of their parameters. In at least one embodiment, transition criteria between the surfaces and the center lines of the virtual segments which create smooth transitions, and thus already predetermine a multiplicity of parameters of the segment following in each case, are used in order to reduce the parameters to be adapted. The description of the envelope of the segments and of the center line of the segments by way of second-degree polynomials is particularly suitable for representation in a mathematically closed form. In addition, in another embodiment, a tomography system is disclosed for carrying out an embodiment of the method and a storage medium with program code is disclosed, for an embodiment of the method.
摘要翻译：公开了一种用于在断层图像体数据中数学地产生虚拟导管的方法，其中虚拟导管由多个导管段组装，每个导管段可以以闭合的数学表达式单独描述，并且每个都被误差近似为测量的体积数据其参数的计算和变化。在至少一个实施例中，使用创建平滑过渡的虚拟段的表面和中心线之间的转换标准，并且因此已经预先确定了在每种情况下跟随的段的多个参数，以便将参数减少为适应。通过二次多项式对段的包络和段的中心线的描述特别适用于以数学封闭的形式表示。此外，在另一个实施例中，公开了用于执行该方法的实施例的断层摄影系统，并且针对该方法的实施例公开了具有程序代码的存储介质。

5. 发明申请

US20090244060A1 Method and apparatus for visualizing an image data record of an organ enclosing a cavity, in particular a CT image data record of a colon 有权
标题翻译：用于可视化包围空腔的器官的图像数据记录的方法和装置，特别是结肠的CT图像数据记录
公开(公告)号：US20090244060A1
公开(公告)日：2009-10-01
申请号：US12382957
申请日：2009-03-27
申请人： Michael Suhling , Fernando Vega-Higuera
发明人： Michael Suhling , Fernando Vega-Higuera
IPC分类号： G06T17/00
CPC分类号： G06T15/08 , A61B6/032 , G06T15/06 , G06T2207/10081 , G06T2207/30028 , G06T2210/41
摘要： A visualization of an image data record of an organ enclosing a cavity, in particular a CT image data record of a colon, that is reliable and has a low level of computational complexity, is performed according to a method. In at least one embodiment of the method a virtual viewer position outside the organ tissue is defined; an interface between the organ tissue and the cavity is defined with the aid of the image data record; from the middle of the cavity local gradients, that specify the rise in the absorption behavior between a gas contained in the cavity and the organ tissue, are determined; starting from the viewer position, a search beam is defined and an angle between the search beam and the gradients is determined; and a transparency value is allocated to the organ tissue as a function of the angle during visualization.
摘要翻译：根据一种方法，执行可靠并且具有低水平的计算复杂度的包围空腔的器官的图像数据记录，特别是冒号的CT图像数据记录的可视化。在该方法的至少一个实施例中，定义了器官组织外部的虚拟观察者位置; 借助于图像数据记录定义器官组织和腔之间的界面; 确定腔内局部梯度的中间，指定腔内和器官组织之间的气体吸收行为的上升; 从观察者位置开始，定义搜索光束，并且确定搜索光束和渐变之间的角度; 并且在可视化期间将透明度值分配给器官组织作为角度的函数。

6. 发明申请

US20080181474A1 Method and apparatus for registering at least three different image data records for an object 有权
标题翻译：用于为物体注册至少三个不同图像数据记录的方法和装置
公开(公告)号：US20080181474A1
公开(公告)日：2008-07-31
申请号：US12003895
申请日：2008-01-03
申请人： Andreas Dejon , Lutz Gundel , Friedrich Knoth , Michael Suhling
发明人： Andreas Dejon , Lutz Gundel , Friedrich Knoth , Michael Suhling
IPC分类号： G06K9/00
CPC分类号： G06T5/50 , G06T7/32 , G06T7/38
摘要： A method and an apparatus are disclosed for registering at least three different image data records for an object. In at least one embodiment, the method involves first of all determining for each image data record the anatomical region which is covered by the image data record. Next, degrees of overlap in these anatomical regions are calculated. These degrees of overlap are taken as a basis for determining the image data record as a master image data record which, in total, has a maximum overlap with the other image data records, ignoring degrees of overlap which are below a prescribable lower threshold. The other image data records are then registered merely with the master image data record. Thus, they are automatically also indirectly registered with one another. At least one embodiment of the present method and the associated apparatus reduce the waiting time for the user who wishes to visualize a plurality of the image data records simultaneously next to one another or superimposed on one another.
摘要翻译：公开了用于为物体注册至少三个不同图像数据记录的方法和装置。在至少一个实施例中，该方法首先针对每个图像数据记录确定由图像数据记录覆盖的解剖区域。接下来，计算这些解剖区域中的重叠度。将这些重叠程度作为将图像数据记录确定为与其他图像数据记录总共具有最大重叠的主图像数据记录的基础，忽略低于可规定的下阈值的重叠度。然后其他图像数据记录仅与主图像数据记录一起登记。因此，它们也被间接地彼此注册。本方法和相关设备的至少一个实施例减少了希望将多个图像数据记录彼此同时显现或叠加在一起的用户的等待时间。

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